Study of Ground Penetrating Radar Detecting on Tunnel Lining Cavity with Water

李兴; 朱彤; 周晶

doi:10.13409/j.cnki.jdpme.2013.01.013

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Study of Ground Penetrating Radar Detecting on Tunnel Lining Cavity with Water

更新时间：2025-12-11

- Study of Ground Penetrating Radar Detecting on Tunnel Lining Cavity with Water
- Vol. 33, Issue 1, Pages: 73-77+107(2013)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：10.13409/j.cnki.jdpme.2013.01.013
  CLC： 455.91
- Published：2013
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[1]李兴,朱彤,周晶.隧道衬砌空洞积水的探地雷达识别研究[J].防灾减灾工程学报,2013,33(01):73-77+107.

李兴, 朱彤, 周晶. Study of Ground Penetrating Radar Detecting on Tunnel Lining Cavity with Water[J]. 2013, 33(1): 73-77+107.
[1]李兴,朱彤,周晶.隧道衬砌空洞积水的探地雷达识别研究[J].防灾减灾工程学报,2013,33(01):73-77+107. DOI： 10.13409/j.cnki.jdpme.2013.01.013.

李兴, 朱彤, 周晶. Study of Ground Penetrating Radar Detecting on Tunnel Lining Cavity with Water[J]. 2013, 33(1): 73-77+107. DOI： 10.13409/j.cnki.jdpme.2013.01.013.

摘要

衬砌空洞是运营隧道中的常见病害

由于其内部介质复杂

尤其当积水存在时

探地雷达（GPR）识别存在较大难度和误差。针对空洞积水的情况

利用MATLAB编程

建立空洞和不同电导率的空洞积水数值模型

用时域有限差分法（FDTD）进行探地雷达二维正演模拟

通过分析正演图谱和单道波形

得出空洞及积水的响应规律。制作隧道衬砌混凝土模型

应用探地雷达扫描测试

并与正演模拟结果进行对比分析。结果表明

雷达正演与模型试验结果相似;未积水的空洞反射波相位与入射波相反;空洞积水的雷达信号反射更明显

其反射波相位与入射波相同;电磁波在水介质中迅速衰减

空洞积水时

其大小难以定量识别。

Abstract

Lining cavities are common diseases in operating tunnel.Because of its complex medium inside

especially water filling

there are always difficulty and error in ground penetrating radar（GPR） detecting.Firstly

the numerical model of cavity and cavity water with different conductivities is established using MATLAB programming.Then GPR forward simulation is carried out with 2D finite difference time domain（FDTD） method.Through analyzing forward simulation map and its single trace

the response character of cavity and water is summed up.Appling GPR on detecting tunnel lining model

comparison is made between the test result and the forward simulation one.It is shown that the model test result is similar to FDTD forward simulation.The reflected wave phase of cavity is opposite to incidence wave.But phase of cavity water is the same as incidence wave.Furthermore

reflect wave of water is more obvious.Electromagnetic wave attenuation in water is too fast to identify the size of cavity.

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references

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地质雷达在昆仑山隧道病害检测中的应用 [J]. 康富中,齐法琳,贺少辉,江波. 岩石力学与工程学报 . 2010(S2)

隧道衬砌空洞探地雷达图谱正演模拟研究 [J]. 张鸿飞,程效军,高攀,周鑫鑫. 岩土力学 . 2009(09)

衬砌脱空雷达波数值模拟与定量解释 [J]. 杨峰,彭苏萍,刘杰,翟波,郝丽生. 铁道学报 . 2008(05)

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隧道衬砌内空洞探地雷达探测正反演研究 [D]. 舒志乐. 重庆大学 2010

地铁隧道衬砌脱空和渗漏水病害雷达探测研究 [D]. 叶良应. 汕头大学 2005

探地雷达方法原理及应用[M]. 科学出版社 , 曾昭发[等]编著, 2006

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